this fw (E330KKKUCNC1_PROXYME20140319.tar) is ok and it works for me and im using it but this has issues with apps working on 4.2 and not working in 4.4. like my navigator sygic. any suggestions guys ???

Another question is, Is it normal that after flashing for few times testing 4.3 & 4.4 FW that when it done, all my sms, apps, name of carrier Oleh is there and not erased?

XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality.Are you a developer?